Total monthly cost of ownership
Cost to Own a Home in Mandeville, Louisiana
A $363,000 home here costs
$2,931per month, all in — with 20% down at today's 6.66% 30-year fixed rate.
A standard mortgage calculator would have told you $1,866. The real number is $1,065 higher every month — 57% more than the payment most buyers budget for.
Where every dollar goes
Only the first line is a mortgage payment. Change any assumption above and every figure below recalculates.
Mandeville against St. Tammany Parish and Louisiana
| Measure | Mandeville | St. Tammany Parish |
|---|---|---|
| Median home value | $363,300 | $272,200 |
| Median property tax | $2,882 | $2,005 |
| Effective tax rate | 0.793% | 0.737% |
| Median gross rent | $1,326 | $1,305 |
| Population | 12,931 | 269,331 |
The weather behind that power bill
Mandeville sits in St. Tammany Parish, which averages a high of 91.2°F in its hottest month and a low of 40.7°F in its coldest, with 61.88" of precipitation a year and 33% of it in a single three-month stretch. That climate drives 2,634 cooling and 1,612 heating degree days, which is what sets the $127 electricity line above.
See the full climate breakdown for St. Tammany Parish — month by month temperatures, rainy season timing, snowfall and heating and cooling costs.
Other cities in St. Tammany Parish
Full St. Tammany Parish cost breakdown · Every county in Louisiana
Common questions
How much does it cost to own a home in Mandeville?
A $363,000 home in Mandeville, Louisiana costs approximately $2,931 per month with 20% down at 6.66%. That is $1,866 principal and interest, $240 property tax, $328 homeowners insurance, $195 utilities and $303 set aside for maintenance.
What is the property tax rate in Mandeville?
Mandeville has an effective property tax rate of 0.793%, based on a median home value of $363,300 and median real estate taxes of $2,882. That is higher than the St. Tammany Parish average of 0.737%.
What is the average home price in Mandeville?
The median owner-occupied home value in Mandeville, Louisiana is $363,300, against $272,200 across St. Tammany Parish.
Is it cheaper to rent or buy in Mandeville?
Median gross rent in Mandeville is $1,326 a month, against $2,931 to own the median home all in. Renting costs less month to month here, though renting builds no equity.
Sources & methodology
- Median home value, real estate taxes, gross rent and population for Mandeville — US Census Bureau, American Community Survey ACS 2023 5-Year, place-level tables.
- Homeowners insurance — NAIC average premium for Louisiana.
- Electricity price — EIA Electric Power Monthly Table 5.6.A.
- Mortgage rate — Freddie Mac PMMS, refreshed weekly.
- Maintenance (1%/yr) and water and sewer ($68/mo) are national estimates. Every assumption above is editable.